mainboard/google/hatch: Migrate onto SKU ID helpers

Leverage the common sku id space helper encoders.

BUG=b:149348474
BRANCH=none
TEST=tested on hatch

Change-Id: I96e10010fd375b127f1e10387d6f7a839bc35fdd
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39019
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/hatch/Kconfig

@@ -11,6 +11,7 @@ config BOARD_GOOGLE_BASEBOARD_HATCH
 	select DRIVERS_USB_ACPI
 	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_BOARDID
+	select EC_GOOGLE_CHROMEEC_SKUID
 	select EC_GOOGLE_CHROMEEC_ESPI
 	select GOOGLE_SMBIOS_MAINBOARD_VERSION
 	select HAVE_ACPI_RESUME

src/mainboard/google/hatch/mainboard.c

@@ -21,36 +21,9 @@
 #include <string.h>
 #include <stdint.h>
 
-#define SKU_UNKNOWN		0xFFFFFFFF
-#define SKU_MAX			255
-
-uint32_t get_board_sku(void)
-{
-	static uint32_t sku_id = SKU_UNKNOWN;
-
-	if (sku_id != SKU_UNKNOWN)
-		return sku_id;
-
-	if (google_chromeec_cbi_get_sku_id(&sku_id))
-		sku_id = SKU_UNKNOWN;
-
-	return sku_id;
-}
-
 const char *smbios_system_sku(void)
 {
-	static char sku_str[7]; /* sku{0..255} */
-	uint32_t sku_id = get_board_sku();
-
-	if ((sku_id == SKU_UNKNOWN) || (sku_id > SKU_MAX)) {
-		printk(BIOS_ERR, "%s: Unexpected SKU ID %u\n",
-			__func__, sku_id);
-		return "";
-	}
-
-	snprintf(sku_str, sizeof(sku_str), "sku%u", sku_id);
-
-	return sku_str;
+	return google_chromeec_smbios_system_sku();
 }
 
 const char *smbios_mainboard_manufacturer(void)

src/mainboard/google/hatch/variants/akemi/gpio.c

@@ -17,6 +17,7 @@
 #include <baseboard/gpio.h>
 #include <baseboard/variants.h>
 #include <commonlib/helpers.h>
+#include <ec/google/chromeec/ec.h>
 
 static const struct pad_config ssd_sku_gpio_table[] = {
 	/* A18 : NC */
@@ -136,7 +137,7 @@ static const struct pad_config gpio_table[] = {
 
 const struct pad_config *override_gpio_table(size_t *num)
 {
-	uint32_t sku_id = get_board_sku();
+	uint32_t sku_id = google_chromeec_get_board_sku();
 	/* For SSD SKU */
 	if ((sku_id == 2) || (sku_id == 4)) {
 		*num = ARRAY_SIZE(ssd_sku_gpio_table);

src/mainboard/google/hatch/variants/akemi/variant.c

@@ -28,7 +28,7 @@ void variant_devtree_update(void)
 	ssd_host = pcidev_path_on_root(PCH_DEVFN_SATA);
 
 	/* SKU ID 2 and 4 do not have eMMC, hence disable it. */
-	sku_id = get_board_sku();
+	sku_id = google_chromeec_get_board_sku();
 	if ((sku_id == 2) || (sku_id == 4)) {
 		if (emmc_host == NULL)
 			return;

src/mainboard/google/hatch/variants/baseboard/include/baseboard/variants.h

@@ -44,9 +44,6 @@ const struct pad_config *variant_early_gpio_table(size_t *num);
 /* Return ChromeOS gpio table and fill in number of entries. */
 const struct cros_gpio *variant_cros_gpios(size_t *num);
 
-/* Return board SKU */
-uint32_t get_board_sku(void);
-
 /* Modify devictree settings during ramstage. */
 void variant_devtree_update(void);
 

src/mainboard/google/hatch/variants/dratini/variant.c

@@ -16,11 +16,12 @@
 #include <baseboard/variants.h>
 #include <variant/sku.h>
 #include <sar.h>
+#include <ec/google/chromeec/ec.h>
 
 const char *get_wifi_sar_cbfs_filename(void)
 {
 	const char *filename = NULL;
-	uint32_t sku_id = get_board_sku();
+	uint32_t sku_id = google_chromeec_get_board_sku();
 
 	switch (sku_id) {
 	case SKU_21_DRAGONAIR:

src/mainboard/google/hatch/variants/kindred/gpio.c

@@ -17,6 +17,7 @@
 #include <baseboard/gpio.h>
 #include <baseboard/variants.h>
 #include <commonlib/helpers.h>
+#include <ec/google/chromeec/ec.h>
 
 static const struct pad_config ssd_sku_gpio_table[] = {
 	/* A0  : SAR0_INT_ODL */
@@ -191,7 +192,7 @@ static const struct pad_config gpio_table[] = {
 
 const struct pad_config *override_gpio_table(size_t *num)
 {
-	uint32_t sku_id = get_board_sku();
+	uint32_t sku_id = google_chromeec_get_board_sku();
 	/* For SSD SKU */
 	if (sku_id == 1 || sku_id == 3 || sku_id == 23 || sku_id == 24) {
 		*num = ARRAY_SIZE(ssd_sku_gpio_table);

src/mainboard/google/hatch/variants/kindred/variant.c

@@ -28,7 +28,7 @@ void variant_devtree_update(void)
 	ssd_host = pcidev_path_on_root(PCH_DEVFN_SATA);
 
 	/* SKU ID 1/3/23/24 doesn't have a eMMC device, hence disable it. */
-	sku_id = get_board_sku();
+	sku_id = google_chromeec_get_board_sku();
 	if (sku_id == 1 || sku_id == 3 || sku_id == 23 || sku_id == 24) {
 		if (emmc_host == NULL)
 			return;